#include <stdio.h>
#include <stdlib.h>

struct rb_node  
{  
	unsigned long  rb_parent_color;  
#define RB_RED      0  
#define RB_BLACK    1  
	struct rb_node *rb_right;  
	struct rb_node *rb_left;  
} __attribute__((aligned(sizeof(long))));  

typedef struct rb_node rb_node_t;

int main()
{
	rb_node_t node;
}
